Videovox Pro LNS series Manual do Utilizador descarregar pdf (Página 61)

10 FAQ

10.1 Daily Maintenance

Please clean dome cover regularly to get vivid image. Handle the cover with care.

Use water to wash. Don’t use cloth to clean. Use mild detergent to clean if there is

too much dust.

10.2 Problems and Solutions

SYMPTOM CAUSE SOLUTION

No self-diagnosis

no video signal

when I connect

dome to power.

Red LED is not on.

z 1.24V AC does not apply

to the power. Or

connection is too loose

z Power off or Transformer

problem

z Check 24VAC power is

connected or properly earthed

z Check power supply condition

or check transformer.

Red LED light is on

z 24VAC power is low

z Something wrong with

Power supply board

z Use multimeter to check dome

load.

z Please contact retailer to

change power supply board.

No self diagnosis

There is a noise

power supply is inadequate Change power supply board

Mechanical failure Ask for electrical engineer

Self diagnosis is

No video signal

Power supply board

connection is too loose

connect tightly

Check the circuit connection Connect again

Video switch connection is

wrong or

mishandle

Please refer to operating manual:

cable connection.

Self diagnosis is

Dome is out of

service

Control circuit is not properly

connected

check control connection

Dome address, protocol or

baud rate setup is not right.

Please refer to operating manual

chapter two: protocol baud rate

address setup.

Video signal loss

occurs in high

speed

Power supply is not sufficient change power supply board

Video signal is

not successive

Circuit connection is too

loose

Connect tightly

Video switch or power

problem

Ask for electrical engineers

Video is not clear. Focus is in manual mode Control manually

Dome cover is dirty Wash dome cover

During camera

switch, there is a

tilt movement in

the monitor.

Camera power is not in the

same Phase

When several domes are

connected to one transformer,

please connect the transformer

output cable to the domes’ same

side

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Videovox Pro LNS series Manual do Utilizador Página 61

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